Home / 130,058.56-179,480.64-70,442.56

Finding the Fourth Proportional to 130,058.56, 179,480.64 and 70,442.56

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Solution

The fourth proportional to 130,058.56, 179,480.64 and 70,442.56 is: 97,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,058.56 : 179,480.64 = 70,442.56 : x
  2. Step 2: Convert to fraction form
    130,058.56/179,480.64 = 70,442.56/x
  3. Step 3: Cross multiply
    130,058.56x = 179,480.64 × 70,442.56
  4. Step 4: Simplify right side
    130,058.56x = 12,643,075,752.04
  5. Step 5: Solve for x
    x = 12,643,075,752.04/130,058.56
  6. Step 6: Final answer
    x = 97,210.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.